package com.dfbz.utils;

import java.util.Random;

public class genrateYzm {
    public static String sendYzm(){
        StringBuffer stringBuffer = new StringBuffer();
        Random random = new Random();
        for (int i = 0; i <6 ; i++) {
            int number = random.nextInt(10);
            stringBuffer.append(number);
        }
        return stringBuffer.toString();
    }
}
